diff --git a/tangostationcontrol/requirements.txt b/tangostationcontrol/requirements.txt
index d1c66a8a28d821d59aac859eb3725d6fbce12243..90ae3c1789783cdd8c6f8e1537a54a56570df86b 100644
--- a/tangostationcontrol/requirements.txt
+++ b/tangostationcontrol/requirements.txt
@@ -12,7 +12,7 @@ psutil >= 5.8.0 # BSD
 docker >= 5.0.3 # Apache 2
 python-logstash-async >= 2.3.0 # MIT
 python-casacore >= 3.3.1 # LGPLv3
-etrs-itrs@git+https://github.com/brentjens/etrs-itrs # license pending
+etrs-itrs@git+https://github.com/brentjens/etrs-itrs # Apache 2
 # numpy must be manually added even though etrs-itrs requires it
 numpy >= 1.21.0 # BSD
 lofarantpos >= 0.5.0 # Apache 2